99.36: What happens to the inertia of an object wfa kt6:2(ji gzhen its velocity is doubled?

  02.14: An intrinsic property of matter is one that does not depend on the qu k d(0cglm37ueantity of matter present. Which of the following propeemukg d3c (l07rties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Earth. Ask6- 4fvpnq sl+sume the Earth has m6npf- 4l+kqsv ass $5.98 \times 10^{24} \; kg$ and $g = 10\;m/s^{2}$ . What is the magnitude of the gravitational force that the boulder exerts on the Earth?

  09.12: A 5.0 kg sphere is in free fall near the surface of6u kri3*sjx -dgba) vin +w;:g the Earth. What is the magnitude of the gravitational force acting on the earth by the sphegwa jgvrb n:36*)-usxd; iki+re? The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an object’s velocity to increase while its achyd-dmlb+)x t;7 rge . ,ywwr7celeration decreases+hgmyw- bx 7rltrdy .d,we;)7?

  00.11: A certain particle undergoes erratic motion. At ev0 zbk79io+ot.k17siuf5ua cq ery point in its motion, the direction of theci. s+q97 z1ioa ktu 7u0fko5b particle’s momentum is ALWAYS

  17.14: A block is suspended in thet7r0cj /d,jle air at the end of a string held by a person. The person pulls on the string uniformly accecdj7/j e, tr0llerating the block upward for a short time. During this time, which one of the following choices correctly identifies the Newton’s Third Law pair force to the force of the string on the block?

  07.18: In which one of the following situationsc0mw:g z8i u1f dl38og is the net force constantly zero on tofg13imz 8c0l: g8 dwuhe object?

  13.28: An object is in free fall close to the ground. A person intervbqr,,e+xr 7n:i5l juvenes and slows the object uniformly to rest. Which one of the following statements must be true about the magnitude of the acceleration of the object as it is being stopped by the person? The 5iv jq, be+nr:7 rul,xmagnitude of the object’s acceleration is a and the magnitude of the acceleration from gravity is g.

  98.03: An object in equilibrium has three forces, F1 6sc.s1mj 3u fyu a,r.kof 30 N, F2 of 50 N, and F3 of 70 N, acting on 36. ysfa,r.uu1cmks j it. The magnitude of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 newtons can be combine to form q 8b1etf2m0h49ans3uk86(wcn b cqv +o3umnba resultanbqc198 4 bu332f ckv6uta+ns b(0qe8mh ownmnt with a magnitude of which of the following

  10.06: Which of the following statements is most q furau+6/vlhwx.q* w2h58i d closely associated with Newton’s Third Lawhx8d5uu. ra /vw+ 2*qfwq ih6l of Motion?

  95.06: The reaction force does not cancel th2m/roh.o nmbvo k (19ye action force because:

  14.14: A box rests on the floor of an elevator. The elevator is acceleratinsmnu *w ub8qaq)7.4yt+uiy d 0g upward. Which one of the following choices best represents the Newton’s Thq nyysbq dt*umu+ua7.48 0)wi ird Law pair force to the gravitational force acting on the box by the Earth?

  15.15: A skydiver falls downward through the xeoj:qv z/u) ziwek *::8+xg fair with constant speed. Which one of the following choices correctly describes the Newton’s Third Law pair force to the air resistance acting on the skydiver du / ve:juqg kz*iw8+x)of::e zxring the fall?

  06.08: A baseball is thrown by a pitcher with a speed of 35 m/s. The bah;)5akw z;s4gz tm*sa wie0g4tterswings and hits the ball. The magnitude of the force that the ball exerts ) 4m;asg;5g z0eiwh ast4*wzk on the bat is always

  11.13: A physics book sits at rest on a tabb;-c6 e bi:ybm6qf bd03nk.nez+ n4czle. On top of the book is a calculator, also at rest. Which one of e:mb k0qczez ;+nc6b-6bi by4dn.nf3the following choices is the Newton’s Third Law pair force to the force that the table exerts on the book?

  05.06: The students in a Physics I class were in lab conducti;s (qupn9 5jm3o o tu wpn.:tp*jvu:x1ng an experiment related to Newton's Second Law. The collected data were displayed on thp uqp( .t3jn:o1 xjs;n:5tuum*ovwp9e graph at the right. From this graph, what conclusions can the students make?

  99.03: If the net force on an object were doubled while at the same timj3s)v b:lgm6z8( ankm e the mass of the object was 83a z(vlgmnk)bm:js 6 halved,then the acceleration of the object is

  96.15: A car whose mass isl436 de cl:( /a(aqiautgi:aw 1500 kg is accelerated uniformly from rest to a speed of 20 m/s in 10s. The magnitude of the net force accelerating the c(::aaaq4i a(ilc/e6 t lug3wdar is:

  99.05: A tractor-trailer truck is travel k;yzb+ s8rw9ping down the road. The mass of the trailer is 4 times the mass of the tractor. If the tractor accelerates ybr+8;9wspzk forward, the force that the trailer applies on the tractor is

  99.16: Which of the following principles best explains why large tractor-tr8e vm:0ttj7+ 4f yk-ufiprl1hailer trucks generally accelerate much more sloui-fktym v0:lj 78f +rh14eptwly that automobiles?

  99.19: A 50 kilogram skater at rest on a frictio2i 8 tdu rzqqi9dq08g3nless rink throws a 2 kilogram ball, givingqddq r8283z gtqi0i9 u the ball a velocity of 10.0 m/s. Which statement describes the subsequent motion?

  00.13: An object near tx8fpc 58azy1zyga03 ony; 1zb he surface of the earth with a weight of 100 newtons is accelerated aag z;1pbcz58foy x31nyy 8z0a t $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass i 7 p0m 5eygk1ylseht0,s 1200 kg is accelerated from rest by a constant force of 2400 N. What is the seg5 ,sypk70 yt1emhl0peed of the car 8.0 s after beginning?

  98.32: A 3.0-kg block with initial speed 4.0 m/s slides across a rough horizonta.7yja7p.wva i3c jgfw0. - zdal floor before coming to rest. The frictional force acting on the block is 3.0 N. How w p.. avc-7d gj ia3j.ywaf07zfar does the block slide before coming to rest?

  95.38: A block with initial velocity 4.0 m/s slides 8.0 m ac4v-xh ij u00ijb1s rv7ross a rough horizontal floor before coming to rest04 jjb1-0hixvi suv7r. The coefficient of friction is:

  09.21: A 20.0 kg box remains at rest on a horizontal surface while adwr*3 *u:zy,sgn q: xi person pushes directly to the right on the box with a force of 60N. The coeffici 3*i q w:x,gs:yzn*udrent of kinetic friction between the box and the surface is $\mu_k$ = 0.20. The coefficient of static friction between the box and the surface is $\mu_s$ = 0.60. What is the magnitude of the force of friction acting on the box during the push?

  13.16: A block initially moving at 8 m/s accelerates unifokbmiq.rdfio;,.; ph; rmly to rest on a horizontal surface. The block travels a distance of 12.0 m during the slide. Which one of the followingr;;i.bfqip. md, ko; h choices best represents the coefficient of kinetic friction between the surface and the block?

  00.21: A car of mass m slides acrocnh k wvh( 2g-zsw1+qs-y y.o)ss a patch of ice at a speed v with its brakes locked. It then hits dry pavement and skids to a stop in a distanced. The cogosywy+(2.qvn1cs h h-) -zwkefficient of kinetic friction between the tires and the dry road is μ .
If the car had a mass of 2m, it would have skidded a distance of

  00.22: A car of massvwg4ipd ) tzd5v2l 34t m slides across a patch of ice at a speed v with its brakes locked. Iwdp )dlti34 vzt5 4gv2t then hits dry pavement and skids to a stop in a distanced. The coefficient of kinetic friction between the tires and the dry road is μ .

If the car had a speed of 2v, it would have skidded a distance of

  04.32: he driver of a car makes an emergency stop by slanz ,vw (kf+ae:mming on the car's brakes and skiddinz,vwek+fn(a: g to a stop. How far would the car have skidded if it had been traveling twice as fast?

  99.39: The driver of an autotbs/w. 9gp/+us / v.a*ftb weomobile must carefully control each of the following devices. Which of these devices can cause an acceleration in s.o9/u/we/.p+t t vsb wf*gbaa moving car?
(1) the break pedal ( 2) the gas pedal ( 3) the steering wheel

  00.25: The net force on a rocket with a weight of 15000 newtoq3zgsx ,-ett3ns is 24000 newtons. About how much time is needed to increase the g-s q txze3t,3rocket ’ speed from 12 m/s to 36 m/s near the surface of the Earth at takeoff?

  07.21: A box slides 2lnnhcmx1 pt/gv2n5bx f090eto the right across a horizontal floor. A person called Ted exerts a force T to the right on the box. A person called Mario exerts a force M to the left, which is half as large as the force T. Given that there is friction f and the box accelerates to the n/nbhv1xc92t 02 p5fe g nmxl0right, rank the sizes of these three forces exerted on the box.

  02.27: The diagram below shows three roller coaster tracks of equal leik22hg n 6evtgaxx;,xz y; **6yyme;jngth. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionless2k axxzy xn* me;y2iv,;jy6 *e ht6;ggly over the tracks to the finish.
If all roller coaster carts start at the positions shown, on which track would the roller coaster cart be traveling the fastest at the finish?

  02.28: The diagram below shows three roller coaster tracks nhqw:75*9ugv5kv-zoaf 8uh iof equal length. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionlessly over the trngw 9 h8u kihaqvzf5:ou7*v5-acks to the finish.
If all roller coaster carts start at the positions shown, on which track would the roller coaster cart reach the finish first?

  02.29: Assume the rollercoasteof ,fgzepg ; )3k/. alm+jp:fzr cartrolls frictionlessly along the curved track from point A to point C under the influence of gr+;zjlmk f,za gg/ 3f)ppe.f:o avity. What would be the direction of the cart's acceleration at point

  02.40: A box with a mass of 50rm 36n85pm m uyp7o -f7ird5te kg is dragged across the floor by a rope which makes an angle of 300 with the horizontal. Which of the following would be closest to the coefficient of kinetic friction between the box and the floor if a 250 newton force on the rope is required to move the crate at a constant speed of 20 m/s as shown in thrt785 ny73mppf u5 mm-6erdioe diagram?

  04.40: A 6.0 kg block in ,69m ttiznso;itially at rest is pushed against a wall by a 100 N force as shown. Thecoefficient of kinetic friction is 0.30 while the ct t96;oz,n smioefficient of static friction is 0.50. What is true of the friction acting on the block after a time of 1 second?

  05.10: A homeowner pushes ag.78 ybyyem)j lawn mower across a horizontal patch of grass with a constant speed by applying a force P. The arrows in the diagram correctly iyyb)87ye.j gm ndicate the directions but not necessarily the magnitudes of the various forces on the lawn mower. Which of the following relations among the various force magnitudes, W, f, N, P is CORRECT?

  06.14: A book leans against a crate on a table. Neither is movingl,kjss8p8g/tb mv.2zo) 0oyb . Which of the following statements concerning k8b 8) gom0.s 2ys,b /pzojvtlthis situation is CORRECT?

  06.15: A crate of toys remains at rest on juhr8 ijvwsh;/ 1 .q/za sleigh as the sleigh is pulled up a hill with an increasing speed. The crate is not fastened downh /j. 8suq;1vwjh/ri z to the sleigh. What force is responsible for the crate’s increase in speedup the hill?